CN216365368U

CN216365368U - Novel electric toothbrush

Info

Publication number: CN216365368U
Application number: CN202121844752.8U
Authority: CN
Inventors: 邢骁
Original assignee: Beisheng Ningbo Electric Appliance Co ltd
Current assignee: Beisheng Ningbo Electric Appliance Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-04-26
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a novel electric toothbrush, which comprises a brush head assembly, a driving assembly used for controlling the brush head assembly, a power supply assembly which is arranged in the driving assembly and used for providing electric energy, a wireless charging assembly which is arranged in the driving assembly and located at the tail end of the power supply assembly, a control assembly used for controlling the on/off of the driving assembly, and a switch button which is arranged on the driving assembly and used for controlling the control assembly; the driving assembly is in fit connection with the brush head assembly through the output shaft and realizes electric tooth brushing; by adopting the self-designed special-shaped sealing piece, the stability of the output shaft in the reciprocating rotation of plus and minus 15 degrees is ensured in an interference fit mode, relative displacement is avoided, and the risk of water inflow is avoided; on the other hand, the interference fit mode can play a role in shock absorption; particularly, the interference combination mode enables the matching surface with the output shaft to be longer, and the combination force with the output shaft is increased.

Description

Novel electric toothbrush

Technical Field

The utility model relates to the field of electric toothbrushes, in particular to a novel electric toothbrush.

Background

The electric toothbrush enables the brush head to generate high-frequency vibration through the quick rotation or vibration of the motor core, instantaneously decomposes the toothpaste into fine foam to deeply clean slits between teeth, and simultaneously, the vibration of the bristles can promote the blood circulation of the oral cavity and has a massage effect on gum tissues; when in tooth brushing, on one hand, the brush head which swings at high frequency can efficiently finish the action of brushing teeth, on the other hand, the mixture of toothpaste and water in the oral cavity can generate a large amount of tiny bubbles by vibration for more than 30000 times per minute, and the pressure generated when the bubbles burst can deeply penetrate into the gaps between the teeth to clean dirt;

however, the waterproof sealing performance of the handheld driving mechanism in the common electric toothbrush is poor, when the handheld driving mechanism is used, clean water can permeate into the handheld driving mechanism from the output shaft of the motor, the short circuit of the driving motor is finally caused, the overall vibration of the handheld driving mechanism is strong, and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, present a novel electric toothbrush, solved ordinary electric toothbrush, hand-held type actuating mechanism's waterproof sealing performance is not good, and during the use, the clear water can be followed motor output shaft and infiltrated hand-held type actuating mechanism, finally leads to the condition of driving motor short circuit to take place, and the holistic vibrations of hand-held type actuating mechanism are comparatively powerful moreover, the relatively poor problem of user experience.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model discloses a novel electric toothbrush, which comprises a brush head assembly, a driving assembly used for controlling the brush head assembly, a power supply assembly which is arranged in the driving assembly and used for providing electric energy, a wireless charging assembly which is arranged in the driving assembly and located at the tail end of the power supply assembly, a control assembly used for controlling the on/off of the driving assembly, and a switch button which is arranged on the driving assembly and used for controlling the control assembly; the drive assembly is in fit connection with the brush head assembly through the output shaft and realizes electric tooth brushing.

Preferably, the driving assembly is in interference fit with the output shaft through a special-shaped sealing piece; the special-shaped sealing piece comprises a supporting ring and a connecting part, wherein the supporting ring can be supported on the end face of the driving assembly, and the connecting part protrudes upwards from the supporting ring; an embedded part which is integrally formed with the connecting part is arranged in the connecting part; the special-shaped sealing element is in interference fit with the output shaft through the embedding part, and a gap is formed between the outer wall of the embedding part and the inner wall of the connecting part.

Preferably, the brush head assembly comprises a brush head rod, a brush head matched and connected with the brush head rod, and a brush head connecting part embedded in the brush head rod; the brush head connecting portion comprises a clamping portion and a supporting portion integrally formed with the clamping portion.

Preferably, the output shaft includes a first portion and a second portion connected to the first portion; the first part is positioned in the driving assembly, the second part is positioned outside the second part, a clamping groove which surrounds the second part in a circle is formed in the second part, and the second part is clamped with the clamping part through the clamping groove; the profiled seal is fitted at the fitting of the first and second portions.

Preferably, the driving assembly comprises a frame, a driving motor and a handle; the driving motor is arranged in a motor mounting seat of the rack in a matched manner through a shockproof ring sleeve and is in interference fit; the handle is sleeved outside the rack and the driving motor from bottom to top and is matched with the special-shaped sealing piece.

Preferably, the power supply assembly is a storable battery; the storable battery card is clamped into the rack and is fixed through the anti-falling bulges.

Preferably, the control assembly comprises a control circuit board fixedly arranged on the frame and a switch button which is arranged on the handle in a matching manner and can control the control circuit board.

Preferably, the wireless charging assembly is arranged in a wireless charging mounting seat at the tail end of the rack in a matching manner; the handle sets up the wireless subassembly sealing connection that charges that has the sealing washer with wireless mount pad cooperation department of charging.

Preferably, the tail end of the rack is provided with a group of elastic buckles integrally formed with the rack; the tail end of the elastic buckle is respectively provided with an outer convex block and an inner convex block; the frame passes through outer lug and the inside elastic connection of handle, and it can fix through interior lug the wireless subassembly that charges is in the wireless mount pad that charges.

(III) advantageous effects

Compared with the prior art, the utility model has the following beneficial effects:

the electric toothbrush aims at solving the problems that the waterproof sealing performance of a handheld driving mechanism of an electric common electric toothbrush is poor, when the electric common electric toothbrush is used, clean water can permeate into the handheld driving mechanism from a motor output shaft, the situation of short circuit of a driving motor is finally caused, the whole vibration of the handheld driving mechanism is strong, and the user experience is poor; by adopting the self-designed special-shaped sealing piece, the stability of the output shaft in the reciprocating rotation of plus and minus 15 degrees is ensured in an interference fit mode, relative displacement is avoided, and the risk of water inflow is avoided; on the other hand, the interference fit mode can play a role in shock absorption; particularly, the interference combination mode enables the matching surface with the output shaft to be longer, and the combination force with the output shaft is increased.

Drawings

FIG. 1 is a perspective view of a novel electric toothbrush according to the present invention;

FIG. 2 is a front view of the novel electric toothbrush of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the structure of the novel electric toothbrush of the present invention in which the driving motor is engaged with the connecting portion of the head;

FIG. 5 is a sectional view taken in the direction B-B in FIG. 4;

FIG. 6 is a schematic perspective view of a profiled sealing element of the new electric toothbrush according to the present invention;

FIG. 7 is a schematic structural view of a profiled seal in the new electric toothbrush of the present invention;

FIG. 8 is a cross-sectional view taken in the direction of C-C in FIG. 7;

fig. 9 is a front view of the frame of the new electric toothbrush according to the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

This embodiment is explained with reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9; wherein, fig. 1 is a schematic perspective view of a novel electric toothbrush according to the present invention; FIG. 2 is a front view of the novel electric toothbrush of the present invention; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; FIG. 4 is a schematic view of the structure of the novel electric toothbrush of the present invention in which the driving motor is engaged with the connecting portion of the head; FIG. 5 is a sectional view taken in the direction B-B in FIG. 4; FIG. 6 is a schematic perspective view of a profiled sealing element of the new electric toothbrush according to the present invention; FIG. 7 is a schematic structural view of a profiled seal in the new electric toothbrush of the present invention; FIG. 8 is a cross-sectional view taken in the direction of C-C in FIG. 7; fig. 9 is a front view of the frame of the new electric toothbrush according to the present invention.

Referring to fig. 1, 2, 3, 6, 7 and 8, fig. 1 is a schematic perspective view of a novel electric toothbrush according to the present invention; FIG. 2 is a front view of the novel electric toothbrush of the present invention; FIG. 3 is a sectional view taken along the line A-A of FIG. 2, and FIG. 6 is a perspective view of a profiled sealing element of the new electric toothbrush of the present invention; FIG. 7 is a schematic structural view of a profiled seal in the new electric toothbrush of the present invention; FIG. 8 is a cross-sectional view taken in the direction of C-C in FIG. 7; the utility model relates to a novel electric toothbrush, which comprises a driving component 2 capable of generating kinetic energy, a brush head component 1 movably arranged in the driving component 2 and provided with an output shaft 20; the driving component 2 mainly provides power for the brush head component 1, so that the brush head component 1 can effectively clean teeth in the oral cavity; the driving component 2 is detachably connected with the brush head component 1; the driving assembly 2 is in interference fit with the output shaft 20 through a special-shaped sealing piece 5; wherein, the profiled sealing element 5 comprises a supporting ring 50 which can be supported on the end surface of the driving component 2, and a connecting part 51 which is raised upwards from the supporting ring 50; an embedded part 52 which is integrally formed with the connecting part 51 is arranged in the connecting part; the special-shaped sealing element 5 is in interference fit with the output shaft 20 through the embedding part 52, a gap is formed between the outer wall of the embedding part 52 and the inner wall of the connecting part 51, and the interference fit mode ensures the stability of the output shaft during the positive and negative 15-degree reciprocating rotation, does not generate relative displacement and avoids the risk of water inflow; on the other hand, the interference fit mode can play a role in shock absorption; particularly, the interference combination mode enables the matching surface with the output shaft to be longer, and the combination force with the output shaft is increased.

Referring to fig. 1, 2 and 3, fig. 1 is a schematic perspective view of a novel electric toothbrush according to the present invention; FIG. 2 is a front view of the novel electric toothbrush of the present invention; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; the novel electric toothbrush comprises a brush head component 1, a driving component 2 used for controlling the brush head component 1, a power supply component 3 which is arranged in the driving component 2 and used for supplying electric energy, a wireless charging component 4 which is arranged in the driving component 2 and is positioned at the tail end of the power supply component 3, a control component 7 used for controlling the on/off of the driving component 2, and a switch button 6 which is arranged on the driving component 2 and controls the control component 7; the driving assembly 2 is in interference fit with the output shaft 20 through a special-shaped sealing piece 5; wherein, the profiled sealing element 5 comprises a supporting ring 50 which can be supported on the end surface of the driving component 2, and a connecting part 51 which is raised upwards from the supporting ring 50; an embedded part 52 which is integrally formed with the connecting part 51 is arranged in the connecting part; the special-shaped sealing element 5 is in interference fit with the output shaft 20 through an embedding part 52, and a gap is formed between the outer wall of the embedding part 52 and the inner wall of the connecting part 51; the connecting part of the special-shaped sealing element 5 is thin and is bent, so that deformation is absorbed, the pulling force is small, and the deformation can be easily absorbed.

Referring to fig. 1, 2 and 3, fig. 1 is a schematic perspective view of a novel electric toothbrush according to the present invention; FIG. 2 is a front view of the novel electric toothbrush of the present invention; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; the brush head component 1 comprises a brush head rod 10, a brush head 11 matched and connected with the brush head rod 10 and a brush head connecting part 12 embedded in the brush head rod 10; the brush head connecting portion 12 includes a clamping portion 121 and a supporting portion 122 integrally formed with the clamping portion 121.

Referring to fig. 4 and 5, fig. 4 is a schematic structural view illustrating a driving motor cooperating with a head connecting part in the novel electric toothbrush according to the present invention; FIG. 5 is a sectional view taken in the direction B-B in FIG. 4; the output shaft 20 comprises a first portion 201 and a second portion 202 connected to the first portion 201; the first portion 201 is located inside the driving assembly 2, the second portion 202 is located outside the second portion 202, a clamping groove 2021 is formed in the second portion 202 around the second portion 202, and the second portion 202 is clamped with the clamping portion 121 through the clamping groove 2021; the special-shaped sealing member 5 is matched at the matching position of the first part 201 and the second part 202, wherein the connecting part 51 of the special-shaped sealing member 5 has a certain gap with the brush head connecting part 12, and the output shaft 20 is ensured not to be in direct contact with the brush head connecting part 12 when vibrating.

Referring to fig. 2 and 3, fig. 2 is a front view schematically illustrating the structure of the novel electric toothbrush according to the present invention; FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2; the driving assembly 2 comprises a frame 21, a driving motor 22 and a handle 23; the driving motor 22 is arranged in a motor mounting seat of the frame 21 in a matching way through a shockproof ring sleeve 221 and is in interference fit; the handle 23 is sleeved outside the rack 21 and the driving motor 22 from bottom to top and is matched with the special-shaped sealing piece 5, and the power supply assembly 3 is a storable battery; the storable battery card is clamped into the rack 21 and is fixed through a plurality of anti-falling bulges 31; the control assembly 5 comprises a control circuit board fixedly arranged on the frame 21 and a switch button 6 which is arranged on the handle 23 in a matching way and can control the control circuit board; the wireless charging assembly 4 is arranged in a wireless charging mounting seat 210 at the tail end of the rack 21 in a matching manner; the wireless charging assembly 4 with the sealing ring 41 is arranged at the matching position of the handle 23 and the wireless charging mounting seat 210 and is in sealing connection, and the short circuit of the wireless charging assembly 4 can be avoided by the design of the sealing ring 41.

Referring to fig. 3 and 9, fig. 3 is a sectional view taken along the direction a-a in fig. 2, fig. 9 is a schematic front view of a frame in the novel electric toothbrush of the present invention, and a set of elastic buckles 211 integrally formed with the end of the frame 21 is provided at the end of the frame; the tail end of the elastic buckle 211 is provided with an outer convex block 2111 and an inner convex block 2112 respectively; the frame 21 is elastically connected with the inside of the handle 23 through the outer convex block 2111, and the wireless charging assembly 4 can be fixed in the wireless charging mounting seat 210 through the inner convex block 2112.

The hand-held type driving mechanism aims at solving the problems that the waterproof sealing performance of the hand-held type driving mechanism of the common electric toothbrush is poor, when the hand-held type driving mechanism is used, clean water can permeate into the hand-held type driving mechanism from the output shaft of the motor, the short circuit of the driving motor is finally caused, the whole vibration of the hand-held type driving mechanism is strong, and the user experience is poor; by adopting the self-designed special-shaped sealing piece, the stability of the output shaft in the reciprocating rotation of plus and minus 15 degrees is ensured in an interference fit mode, relative displacement is avoided, and the risk of water inflow is avoided; on the other hand, the interference fit mode can play a role in shock absorption; particularly, the interference combination mode enables the matching surface with the output shaft to be longer, and the combination force with the output shaft is increased.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.

Claims

1. A novel electric toothbrush is characterized in that: the electric toothbrush comprises a toothbrush head assembly (1), a driving assembly (2) used for controlling the toothbrush head assembly (1), a power supply assembly (3) which is arranged in the driving assembly (2) and is used for providing electric energy, a wireless charging assembly (4) which is arranged in the driving assembly (2) and is positioned at the tail end of the power supply assembly (3), a control assembly (7) used for controlling the driving assembly (2) to be switched on/off, and a switch button (6) which is arranged on the driving assembly (2) and controls the control assembly (7); the driving assembly (2) is in fit connection with the brush head assembly (1) through an output shaft (20) and realizes electric tooth brushing; wherein the driving assembly (2) is in interference fit with the output shaft (20) through a special-shaped sealing piece (5).

2. The new electric toothbrush as claimed in claim 1, wherein: the special-shaped sealing piece (5) comprises a supporting ring (50) which can be supported on the end face of the driving component (2), and a connecting part (51) which protrudes upwards from the supporting ring (50); an embedded part (52) which is integrally formed with the connecting part (51) is arranged in the connecting part; the special-shaped sealing piece (5) is in interference fit with the output shaft (20) through an embedding part (52), and a gap is formed between the outer wall of the embedding part (52) and the inner wall of the connecting part (51).

3. The new electric toothbrush according to claim 2, characterized in that: the brush head assembly (1) comprises a brush head rod (10), a brush head (11) matched and connected with the brush head rod (10), and a brush head connecting part (12) embedded in the brush head rod (10); the brush head connecting portion (12) comprises a clamping portion (121) and a supporting portion (122) integrally formed with the clamping portion (121).

4. The new electric toothbrush according to claim 3, characterized in that: the output shaft (20) comprises a first portion (201) and a second portion (202) connected to the first portion (201); the first part (201) is positioned inside the driving assembly (2), the second part (202) is positioned outside the second part (202), a clamping groove (2021) which surrounds the second part (202) in a circle is formed in the second part, and the second part (202) is clamped with the clamping part (121) through the clamping groove (2021); the profiled seal (5) is fitted at the fitting of the first portion (201) and the second portion (202).

5. The new electric toothbrush according to claim 4, characterized in that: the driving assembly (2) comprises a frame (21), a driving motor (22) and a handle (23); the driving motor (22) is arranged in a motor mounting seat of the frame (21) in a matched mode through a shockproof ring sleeve (221) and is in interference fit; the handle (23) is sleeved outside the rack (21) and the driving motor (22) from bottom to top and is matched with the special-shaped sealing piece (5).

6. The new electric toothbrush according to claim 5, characterized in that: the power supply assembly (3) is a storable battery; the storable battery card is inserted into the frame (21) and is fixed by a plurality of anti-falling bulges (31).

7. The new electric toothbrush according to claim 6, characterized in that: the control assembly (7) comprises a control circuit board fixedly arranged on the frame (21) and a switch button (6) which is arranged on the handle (23) in a matching way and can control the control circuit board.

8. The new electric toothbrush according to claim 7, wherein: the wireless charging assembly (4) is arranged in a wireless charging mounting seat (210) at the tail end of the rack (21) in a matching manner; the wireless charging assembly (4) with a sealing ring (41) is arranged at the matching position of the handle (23) and the wireless charging mounting seat (210) in a sealing connection mode.

9. The new electric toothbrush as claimed in claim 8, wherein: the tail end of the frame (21) is provided with a group of elastic buckles (211) which are integrally formed with the frame; the tail end of the elastic buckle (211) is respectively provided with an outer convex block (2111) and an inner convex block (2112); the frame (21) is elastically connected with the interior of the handle (23) through an outer lug (2111), and the wireless charging assembly (4) can be fixed in the wireless charging mounting seat (210) through an inner lug (2112).